Home / 7,241.31-10,859.81-2,798.19

Finding the Fourth Proportional to 7,241.31, 10,859.81 and 2,798.19

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Solution

The fourth proportional to 7,241.31, 10,859.81 and 2,798.19 is: 4,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.31 : 10,859.81 = 2,798.19 : x
  2. Step 2: Convert to fraction form
    7,241.31/10,859.81 = 2,798.19/x
  3. Step 3: Cross multiply
    7,241.31x = 10,859.81 × 2,798.19
  4. Step 4: Simplify right side
    7,241.31x = 30,387,831.90
  5. Step 5: Solve for x
    x = 30,387,831.90/7,241.31
  6. Step 6: Final answer
    x = 4,196.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.